money is printed on cotton, the machines that print them run on electricity, most electricity comes from burning trees and coal, so to wrap it around, he's part right.
Money is made of a cotton-linen blend laced with synthetic fibers. Even if it were made of paper, it would not grow on a tree, but be made from the products of a tree.
Money is made of cotton. And just so you know, this meme is obviously a joke. However, there are cotton supplements on some trees, the cotton used in US bills comes from the cotton fiber plant.